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Reissue - please refer to this reissue in which a correction has been made with respect to the use of Titus with Vivolt. We apologise for the confusion.
Our expanding range of solutions now includes:
Scroll down to find out more about each of these products and how Corteva can support you in maximising your potato yield.
You are receiving this email because you previously outlined potatoes as an area of interest to you. Update your email subscriptions at any time here.
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Zorvec active is the first active ingredient of its kind — a member of a novel class of fungicides that control diseases caused by oomycetes acting at a unique site within the pathogen. Inside the plant it moves systemically to protect new growth as it emerges and develops.
Key benefits:
- Unique site of activity: contains new chemical group FRAC Group 49.
- Outstanding efficacy: offers robust control on a 7-day spray interval, even during rapid growth phase of crop.
- Systemic activity: systemic movement of Zorvec active enables uniform protection even for portions of leaves receiving partial spray coverage.
See below for Zorvec containing products available to UK growers.
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Zorvec Entecta is the latest solution available to growers having received approval for use in the UK in 2024 and utilises the renowned Zorvec active formulation to deliver the most flexible Late Blight control.
Formulation: Suspo-emulsion (SE) containing 240g/l amisulbrom + 48g/l oxathiapiprolin - Group 21 + 49 Fungicides respectively.
Recommended rate: 0.25L/ha
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Option is a fungicide for potato Late Blight disease control containing cymoxanil which has been the backbone of the UK blight programme for many years and continues to provide invaluable curative activity that can be combined with other AI's at any stage of the blight programme. Cymoxanil (Group 27) offers an additional MoA in addition to curative activity as part of an anti-resistance strategy in mixture with a fungicide partner. This is of particular value for single AI products.
Formulation: Water dispersible granule containing 600g/kg cymoxanil.
Key benefits:
- Option contains cymoxanil, which is locally systemic and offers both preventative and curative control.
- It must only be applied in tank-mixture with specified formulations of partner blight materials.
- The combination of two active ingredients will also help to reduce the selection and build-up of resistant strains of fungi.
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Titus is the mainstay of early season post emergence weed control in potatoes. Typically applied when weeds break through residual programmes or germinate late. Best control is achieved when weeds are small and actively growing (between 2-4 true leaves). Titus has activity on a wide range of difficult broad-leaved weeds, such as cleavers, chickweed, redshank, mayweed, brassica weeds and volunteer oilseed rape. It also has some excellent activity on some grasses, notably couch.
Formulation: 250 g/kg rimsulfuron
Application timing: in the spring pre-emergence of the crop up until the crop is 25 cm high. Best control is achieved when weeds are small and actively growing (cotyledon to 2 true leaves).
Application method: Sprayer
Key benefits:
- Suitable for use on all potato varieties excluding seed crops.
- Broad spectrum of activity including difficult broad-leaved weeds and grasses.
- It can be tank-mixed with metribuzin (on metribuzin tolerant varieties only), for improved control of knotgrass, fat hen and speedwells. However, mixtures with metribuzin will be antagonistic in terms of cleaver control.
- Use with Vivolt at 0.1% v/v when applied alone or in a tank-mix.
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BlueN provides a crop with a unique way to capture nitrogen throughout the season, helping plants reach their yield potential. The BlueN potato trials programme in 2024 showed an average marketable yield increase of 4t/ha and an average return on investment of £970/ha (potatoes £250/t and BlueN £30/ha).
Contains: Methylobacterium symbioticum.
Pack size: 3kg
Recommended rate: 333g/ha
Maximum no. of applications: 1 application per crop.
Application timing: when the crops are meeting in the row.
Application method: Foliar with sprayer.
Rainfast: 1 hour
Key benefits:
Enhanced plant growth and resilience.
- BlueN enhances plant growth and resilience by fixing atmospheric nitrogen directly in the plant. This process occurs throughout the growing season, resulting in marketing yield increases.
Provides a sustainable source of nitrogen.
- BlueN meets changing market expectations by providing a supplementary and sustainable source of nitrogen, without the risk of leaching or releasing additional greenhouse gases. BlueN reduces the dependency of nitrogen fertiliser uptake from the soil and ensures the plant has access to nitrogen all season long.
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Download the printable portfolio solutions document from our online potatoes hub, or click the image below.
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Learn and earn CPD points!
Watch our Spring 2025 Technical Update for Potatoes and then take the short quiz to earn BASIS and/or NRoSO points*. You will also have the opportunity to share your feedback in some short survey questions and be in with a chance to win a prize hamper!
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Quiz and survey open until 31 August 2025. *BASIS and NRoSO point applied for.
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You are receiving this email as part of the terms and conditions of the communications.
USE PLANT PROTECTION PRODUCTS SAFELY. Always read the label and product information before use. For further information including warning phrases and symbols refer to label. Corteva Agriscience UK Limited, Unit H4, Building H, Melbourn Science Park, Cambridge Road, Melbourn, Cambridgeshire SG8 6HB. Tel: 01462 457272. ®, ™ Trademarks of Corteva Agriscience and its affiliated companies. All other brand names are trademarks of other manufacturers for which proprietary rights may exist. All manufacturers tradenames and trademarks are duly acknowledged. Zorvec Entecta™ contains amisulbrom and oxathiapiprolin. Option® contains cymoxanil. Titus® contains rimsulfuron. BlueN™ contains Methylobacterium symbioticum.
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